Progress

app/services/delete_chat_message_service.rb

@@ -0,0 +1,12 @@
+# frozen_string_literal: true
+
+class DeleteChatMessageService < BaseService
+  def call(account, chatMessageId)    
+    @chat = ChatMessage.where(from_account: account).find(chatMessageId)
+    
+    # : todo :
+    # make sure last_chat_message_id in chat_account_conversation gets set to last
+    
+    @chat.destroy!
+  end
+end